Home / 65,904.54-90,948.24-35,690.10

Finding the Fourth Proportional to 65,904.54, 90,948.24 and 35,690.10

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Solution

The fourth proportional to 65,904.54, 90,948.24 and 35,690.10 is: 49,252.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904.54 : 90,948.24 = 35,690.10 : x
  2. Step 2: Convert to fraction form
    65,904.54/90,948.24 = 35,690.10/x
  3. Step 3: Cross multiply
    65,904.54x = 90,948.24 × 35,690.10
  4. Step 4: Simplify right side
    65,904.54x = 3,245,951,780.42
  5. Step 5: Solve for x
    x = 3,245,951,780.42/65,904.54
  6. Step 6: Final answer
    x = 49,252.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.